Senior Microsoft Cloud Engineer

Job overview

The Senior Microsoft Cloud Engineer role is onsite in Tinley Park, IL, with a salary of $125,000–$145,000 per year. Atom Security builds managed security services, security consulting, and fractional CISO services, with a launch focus on Defense Industrial Base clients pursuing CMMC Level 2 certification. The engineer owns delivery of the GCC High and Azure Commercial operations infrastructure, from tenant provisioning through security tool deployment and legacy-tool migration. The work establishes secure, separated service tracks and prepares the platform for go-live and client onboarding, with potential to evolve toward infrastructure ownership or client-facing technical work as the practice grows.

What you'll do

• Provision GCC High and Azure Commercial operations tenants
• establish Entra ID baselines
• deploy Azure Virtual Desktop in Azure Government
• configure Microsoft Lighthouse delegation
• implement FIDO2 MFA and Conditional Access
• configure PIM and Intune
• deploy Microsoft Sentinel workspaces and Defender XDR baseline
• deploy CrowdStrike agents
• activate Azure Arc
• migrate documentation and credentials to SharePoint, Azure DevOps Boards, and Key Vault
• support compliance documentation, client testing, go-live verification, and post-launch onboarding.

What we're looking for

Skills & competencies

senior microsoft cloud engineer

microsoft gcc high

azure government

microsoft sentinel

entra id

microsoft lighthouse

cmmc level 2

cybersecurity

tinley park il

atom cyber security

full-time

$125k–$145k/year

client onboarding

security infrastructure

Work arrangement

• Weekend coverage required

Benefits & perks

• Medical, dental, vision, life and disability coverage
• employee assistance program
• 401(k) with employer match
• paid time off
• parental leave
• financial advisory services
• and professional growth opportunities.

Why this role

Hands-on Microsoft GCC High tenant provisioning and administration is required; Azure Commercial experience alone is insufficient. Occasional travel to client sites may be required, and security incidents may require work outside normal business hours.

About the employer

Atom Cyber Security LLC is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.